DE1909203C3 - Shunting device for railroad cars with an auxiliary track for a tow and brake car - Google Patents

Description

The invention relates to a maneuvering device for railroad cars with a parallel to and Auxiliary track running between the rails of a track for one of the railroad cars without contact drive-over tow and brake car, which has a drive and brake motor in its frame, a Drive device for & as Aut and pivoting of push arms to rest on the wheels of the Railroad car and a Steuerv rrichtung, triggered by parts of the tow car in Interaction with the wheels of the railroad car, the push arms according to a certain program controls.

Such a maneuvering device known from DD-PS 54 721 is only suitable for moving cars, that come in on the direction tracks of the shunting routes, to be slowed down according to a program and thus assemble new train parts. The well-known brake truck, however, does not have a sufficiently powerful one Drive motors that accelerate or even accelerate cars that arrive too slowly standing groups of wagons can be towed. This deficiency is due to the fact that for the Required driving force for the brake car normal, acting on the wheels of the brake car Electric motors are used that are within the small free space between the rails and There is so little space under the car that a significant performance cannot be built in. In these known brake slides, the braking is also not carried out in a frictionless, electromagnetic manner Way but through friction brakes on specially laid brake rails.

Other known rail tow cars refer to the slow moving barren ones especially for pushing stationary wagons required great strength from pulling ropes firmly laid between the tracks. This requires However, in the case of larger systems, complicated cable laying and high acceleration rates of length And heavy ropes and thus relatively large activity of the plant, in addition is the supervisory staff and the operating personnel required for operation are at great risk from the ropes laid.

The invention is therefore based on the object of one of the prior art indicated Technique advantageous to create lift-off rail tow car, taking into account the low available space has sufficient power to brake incoming wagons smoothly and to set groups of wagons in motion on shunting tracks from a standstill, being endangering moving parts such as ropes or the like should be avoided. In addition, the rail truck has to Can react sufficiently quickly, and the entire maneuvering device must not be unbearable require high investments.

This object is achieved in a maneuvering device of the type mentioned at the beginning the features specified in the characterizing part of the claim.

Although linear motors are basically already known in railway vehicles, the invention but for the first time their special advantage, namely the particularly cheap flat construction option, for a Maneuvering device of the generic type recognized. In addition, the installation effort for the Reaction rail and the power supply rails in view of the spatial limitations of shunting systems is kept within tolerable limits. In addition, the is particularly low-wear and therefore low-maintenance Operation of such vehicles with linear motors used in a favorable manner. This applies to both the electromagnetic braking operation as well as for the burst operation, in which the independent according to program control movable rail tow car is free from the ever problematic adhesion between Rail and wheel. There are also no torque transmissions in a rail tow truck rotating drive motor on rotating wheels required, soft facilities require the Very frequent load changes of the rail tow car are subject to high wear and tear and therefore heavy maintenance would be.

An embodiment of the invention is shown in the drawing and will be described in more detail below described. It shows

F i g. 1 is a top view of the maneuvering device,

FIG. 2 is a side view of the device according to FIG. 1.

F i g. 3 shows a front view of the device according to FIG. 1 with some parts ir.-i cross section.

^w A tow car is generally referred to, of which almost all parts are arranged between rails 1 of a track for shunting freight cars. The tow truck is supported by support wheels 5, which roll on a support plate 1, and provided with guide rollers 4, which have vertical axes and roll along guide rails 2, which consist of angular profiles.

The guide rails 2 also serve as feed rails for electrical energy and the Support plate 3 as a linear motor reaction rail and also as a third rail for supplying the energy. Instead of the guide rollers 4 having the additional function of pantographs, a special pantographs are used without

^b5 this would bring about a fundamental change. The carrying wheels 5 are also used as pantographs.

The left and right ends of the vehicle like it

1 and 2 are hereinafter referred to as the front and rear ends, respectively. The tow truck carries in the frame A \ a linear motor 6, which is attached near its front end, also front and

f rear push or brake arms 7 and 7a on the right

and left side (upper and lower side in Fig. 1), e.g. B.

; ^; a total of four push and brake arms, the side

pivoted out and retracted inward, and a push and brake arm drive mechanism.

The four push or brake arms 7 and 7a are, seen from above, symmetrical to the right and left Arranged longitudinal center line of tow truck A and on the front and rear of the tow truck symmetrical to its longitudinal center. The push and brake arm drive mechanism has four return springs 8 and 8a on (front and back, right and left), four support arms 9 and 9a (front and rear), two

hydraulic (oil pressure JZylinder-piston mechanisms 12 and 12a for applying a mechanical force for actuating the push arms, four Sioßdämpfer cylinder 13 and 13a and a supply and manage ^r nrichtung 14 for the hydraulic pressure medium for operating the shear and brake arms 7 and 7a.

A monitoring device is arranged near the rear end of the towing vehicle A, e.g. B. a display device 15 for reading the speed and distance signals (depending on the rotation of a carrying wheel 5) and for combining these signals with signals from the support arms 9 and 9a to transmit control commands for starting and operating the vehicle to confirm the thrust · And brake arms 7 and 7a in the swing-out or retraction direction, and to bring about a return of the push carriage by the linear motor 6, as will be described later.

The tow truck A and the parts attached to it are of a compact design, particularly in their vertical dimension, with only the push and brake arms 7 and 7a and part of the lever operating mechanism protruding slightly above the upper surface of the rails 1. The guide rails 2 and the support plate 3 can be placed directly on the support surface (the sleepers) for the rails 1. Therefore, the shunting device can be built not only in new, but also in existing tracks.

The braking device works in the following way: With reference to FIGS. 1 and 2, it is assumed that a group of already discarded, not shown cars in style stand is in a position in front of the front end (left corresponding to the illustration in FIGS. 1 and 2 ) of tow car A. This has been stopped at a certain distance to the right of the group of wagons and awaits the arrival of a wagon, also not shown, which rolls up from a hill or is driven in some other way and is approaching tow car A and the group of wagons from the right .

In this case the front (left) push rod is 11 pushed out of the hydraulic cylinder 12, and the actuating arm lö are pivoted in, the

Shear bar 7 within the rails 1 in positions in which they cannot hinder the passage of wagon wheels. On the other hand is the rear (right) push rod 11a in the hydraulic cylinder 12a has been retracted, the actuating arms 10a in their spread position \ md the push arms 7a in their swiveled-out state on the rails 1 (as shown in F i g. 1) and so the arrival of the await the coming car on the right.

When this wagon, which grains from the right, hits the push arms 7a, the latter rotate about their pivot pins arranged on the support arms 9a, and the wagon wheels run into a position to the left of the push arms 7a. The push arms 7a are rotated back into their initial position by the return springs 8a, whereupon the tow truck A receives a control command for forward movement and the linear motor 6 is excited.

The tow truck A then catches up with the wagon wheels that have passed the push arms 7a and as a result of a corresponding, z. B. a control command derived from the lever support arms 9a, the front hydraulic cylinder 12 pulls in the push rod 11 in order to spread the front lever support arms and to pivot the push arms 7 onto the rails 1. Dip push arms 7 then attack the wagon wheels. A braking torque is then exerted by the linear motor 6 in order to transmit a braking force to the wagon wheels via the push arms 7.

When the speed of the towing vehicle reaches a certain lower value when the push arms are retracted and the towing vehicle is stopped, as a result of a control pulse from the device 15 for releasing the vehicle. Furthermore, the tow truck A is driven by the linear motor 6 in the reverse direction (backwards or after

in right) set in motion to make him go to the first Back to the car interception point and then go past that point by a distance equal to the length of the Car (length between the couplings) corresponds to that braked in the manner described above

i'i has been. This distance is determined by the device 15 and by the number of revolutions of the wheels. The tow car A then stops at the interception point for the next car to await its arrival.

■ hi If the speed of an arriving car is high and the wheels of the following second car axle roll past the support arms 9a before the tow car A, which is set in motion by the control command, the support arms 9a

• f> has been. attack the front car wheels can, which have rolled past the push arms 7a, becomes the same process as described above. with respect to the wheels of the following second Carriage axis carried out in order to brake the car and release it again.

If the speed of an arriving car is less than the average push-off speed, this car speed is detected by the device 15 in accordance with a signal from the support arms 9a, and the tow car A pushes the car by means of the push arms 7a and accelerates it to / u the desired speed. The linear motor 6 is then braked with countercurrent and the towing vehicle A carries out its return in the manner described above.

The tow car can also be used to assemble trains:

It is assumed that to the left of the

t> i Schleppwagen A tine (not shown) group of wagons that have already been sorted and

are at a standstill, and that these wagons are placed on a train formation track (not shown) by the towing

dare Λ should be pressed. The push length 11 of the front hydraulic cylinder 12 of the towing vehicle A is extended in order to move the support arms 9 against one another and to withdraw the front push arms 7 inward and free from the rails 1. On the other hand, the rear push rod 11a is drawn into the hydraulic cylinder 12a in order to bring the support arm 9a into the swiveled-out position and to pivot the rear push rod 7a over the rails 1.

When the push arms 7 and 7a are in this position, the "linear motor" is supplied with energy, to accelerate and advance the tow truck. When the thrust arms 7a are the wheels of the first Touch the carriage of the group, the linear motor works further, whereby the group of wagons can be printed (pushed) onto the train formation track.

In order in the event that the above-mentioned shock absorbers 13a are insufficient, the contact with the Carriage wheels to perform without an excessive shock, the front support arms 9 are beforehand spread. When the pusher arrest starts at the first wagon wheels, a control signal is transmitted, to cause a braking of the linear motor ^ whereby the shock between the push arms 7a and the wagon wheels can be reduced.

When the number of the carriages is large, it is possible to carry out the operation of pushing a smaller number Repeat several times from wagons to a train formation track instead of all wagons in one operation to encounter the train formation track. By such a It is possible to work with tow trucks economic performance.

1 sheet of drawings

Claims (1)

Claim: Maneuvering device for railroad cars with an auxiliary track running parallel to and between the rails of a track for a tow and brake car that can be driven over without contact by the railroad car, which has a drive and brake motor in its frame, as well as a drive device for swiveling push arms to the system the wheels of the railroad car and a control device which, triggered by parts of the tow car in cooperation with the wheels of the railroad car, controls the push arms according to a certain program, characterized in that the drive and brake motor is a reversible linear motor (6) whose Reaction rail (3) is laid in the middle of the track, and that the push arms (7, Ta) are designed in a manner known per se as two separately actuatable push or brake arm pairs directed from the front and rear against the wheels.